Operations & Maintenance Manual (O&M Manual) Template

5. PA license plates have 3 letters followed by 4 numbers. (There are 10 digits and 26 letters available.) a. If the same letter or number can be repeated, how many can be made? b. If the same letter or number CANNOT be repeated, how many can be made? 6. How many 4-digit numbers (with place value) can be formed (using 0 – 9)? 7. ................
................